<template>
  <div>
    <select :value="selectId" @change="changeCity">
      <option value="101">北京</option>
      <option value="102">上海</option>
      <option value="103">武汉</option>
      <option value="104">广州</option>
      <option value="105">深圳</option>
    </select>
  </div>
</template>

<script>
export default {
  props: ['selectId'],
  data(){
    return {
      city: ''
    }
  },
  methods:{
    changeCity(e){
      console.log('子组件选择的属性是：'+e.target.value)
      this.$emit("changeCity", e.target.value);
    }
  }
}
</script>

<style>
</style>